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Finding the Fourth Proportional to 202,880.20, 303,737.10 and 124,148.20

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Solution

The fourth proportional to 202,880.20, 303,737.10 and 124,148.20 is: 185,865.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,880.20 : 303,737.10 = 124,148.20 : x
  2. Step 2: Convert to fraction form
    202,880.20/303,737.10 = 124,148.20/x
  3. Step 3: Cross multiply
    202,880.20x = 303,737.10 × 124,148.20
  4. Step 4: Simplify right side
    202,880.20x = 37,708,414,238.22
  5. Step 5: Solve for x
    x = 37,708,414,238.22/202,880.20
  6. Step 6: Final answer
    x = 185,865.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.